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Message-ID: <20250420192609.295075-1-ebiggers@kernel.org>
Date: Sun, 20 Apr 2025 12:25:56 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: linux-crypto@...r.kernel.org
Cc: linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mips@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org,
linux-riscv@...ts.infradead.org,
linux-s390@...r.kernel.org,
x86@...nel.org,
"Jason A . Donenfeld" <Jason@...c4.com>,
Ard Biesheuvel <ardb@...nel.org>
Subject: [PATCH v2 00/13] Finish disentangling ChaCha, Poly1305, and BLAKE2s from CRYPTO
This series removes the unnecessary dependency of the ChaCha, Poly1305,
and BLAKE2s library functions on the generic crypto infrastructure, i.e.
CONFIG_CRYPTO. To do this, it moves the architecture-optimized
implementations of these functions into new directories
arch/*/lib/crypto/ which do not depend on CRYPTO. This mirrors the
existing distinction between crypto/ and lib/crypto/.
The last two patches remove the selection of CRYPTO by CRYPTO_LIB_CHACHA
and CRYPTO_LIB_POLY1305, and they remove the corresponding *_INTERNAL
symbols which were needed only because of the entanglement with CRYPTO.
Note that Curve25519 is still entangled. Later patches will fix that.
Changed in v2:
- Introduced new directories arch/*/lib/crypto/ instead of keeping
the library functions in arch/*/crypto/.
Eric Biggers (13):
crypto: arm64 - drop redundant dependencies on ARM64
crypto: powerpc - drop redundant dependencies on PPC
crypto: s390 - drop redundant dependencies on S390
crypto: x86 - drop redundant dependencies on X86
crypto: arm - move library functions to arch/arm/lib/crypto/
crypto: arm64 - move library functions to arch/arm64/lib/crypto/
crypto: mips - move library functions to arch/mips/lib/crypto/
crypto: powerpc - move library functions to arch/powerpc/lib/crypto/
crypto: riscv - move library functions to arch/riscv/lib/crypto/
crypto: s390 - move library functions to arch/s390/lib/crypto/
crypto: x86 - move library functions to arch/x86/lib/crypto/
crypto: lib/chacha - remove INTERNAL symbol and selection of CRYPTO
crypto: lib/poly1305 - remove INTERNAL symbol and selection of CRYPTO
MAINTAINERS | 1 +
arch/arm/crypto/Kconfig | 23 -----
arch/arm/crypto/Makefile | 14 +--
arch/arm/lib/Makefile | 2 +
arch/arm/lib/crypto/.gitignore | 2 +
arch/arm/lib/crypto/Kconfig | 24 ++++++
arch/arm/lib/crypto/Makefile | 24 ++++++
arch/arm/{ => lib}/crypto/blake2s-core.S | 0
arch/arm/{ => lib}/crypto/blake2s-glue.c | 0
arch/arm/{ => lib}/crypto/chacha-glue.c | 0
arch/arm/{ => lib}/crypto/chacha-neon-core.S | 0
.../arm/{ => lib}/crypto/chacha-scalar-core.S | 0
arch/arm/{ => lib}/crypto/poly1305-armv4.pl | 0
arch/arm/{ => lib}/crypto/poly1305-glue.c | 0
arch/arm64/crypto/Kconfig | 17 +---
arch/arm64/crypto/Makefile | 9 +-
arch/arm64/lib/Makefile | 3 +
arch/arm64/lib/crypto/.gitignore | 2 +
arch/arm64/lib/crypto/Kconfig | 14 +++
arch/arm64/lib/crypto/Makefile | 16 ++++
.../arm64/{ => lib}/crypto/chacha-neon-core.S | 0
.../arm64/{ => lib}/crypto/chacha-neon-glue.c | 0
arch/arm64/{ => lib}/crypto/poly1305-armv8.pl | 0
arch/arm64/{ => lib}/crypto/poly1305-glue.c | 0
arch/mips/crypto/Kconfig | 11 ---
arch/mips/crypto/Makefile | 17 ----
arch/mips/lib/Makefile | 2 +
arch/mips/lib/crypto/.gitignore | 2 +
arch/mips/lib/crypto/Kconfig | 12 +++
arch/mips/lib/crypto/Makefile | 19 ++++
arch/mips/{ => lib}/crypto/chacha-core.S | 0
arch/mips/{ => lib}/crypto/chacha-glue.c | 0
arch/mips/{ => lib}/crypto/poly1305-glue.c | 0
arch/mips/{ => lib}/crypto/poly1305-mips.pl | 0
arch/powerpc/crypto/Kconfig | 22 +----
arch/powerpc/crypto/Makefile | 4 -
arch/powerpc/lib/Makefile | 2 +
arch/powerpc/lib/crypto/Kconfig | 15 ++++
arch/powerpc/lib/crypto/Makefile | 7 ++
.../{ => lib}/crypto/chacha-p10-glue.c | 0
.../{ => lib}/crypto/chacha-p10le-8x.S | 0
.../{ => lib}/crypto/poly1305-p10-glue.c | 0
.../{ => lib}/crypto/poly1305-p10le_64.S | 0
arch/riscv/crypto/Kconfig | 7 --
arch/riscv/crypto/Makefile | 3 -
arch/riscv/lib/Makefile | 1 +
arch/riscv/lib/crypto/Kconfig | 8 ++
arch/riscv/lib/crypto/Makefile | 4 +
.../{ => lib}/crypto/chacha-riscv64-glue.c | 0
.../{ => lib}/crypto/chacha-riscv64-zvkb.S | 0
arch/s390/crypto/Kconfig | 16 ----
arch/s390/crypto/Makefile | 3 -
arch/s390/lib/Makefile | 1 +
arch/s390/lib/crypto/Kconfig | 7 ++
arch/s390/lib/crypto/Makefile | 4 +
arch/s390/{ => lib}/crypto/chacha-glue.c | 0
arch/s390/{ => lib}/crypto/chacha-s390.S | 0
arch/s390/{ => lib}/crypto/chacha-s390.h | 0
arch/x86/crypto/Kconfig | 86 +++++++------------
arch/x86/crypto/Makefile | 15 ----
arch/x86/lib/Makefile | 2 +
arch/x86/lib/crypto/.gitignore | 2 +
arch/x86/lib/crypto/Kconfig | 26 ++++++
arch/x86/lib/crypto/Makefile | 17 ++++
arch/x86/{ => lib}/crypto/blake2s-core.S | 0
arch/x86/{ => lib}/crypto/blake2s-glue.c | 0
.../x86/{ => lib}/crypto/chacha-avx2-x86_64.S | 0
.../{ => lib}/crypto/chacha-avx512vl-x86_64.S | 0
.../{ => lib}/crypto/chacha-ssse3-x86_64.S | 0
arch/x86/{ => lib}/crypto/chacha_glue.c | 0
.../crypto/poly1305-x86_64-cryptogams.pl | 0
arch/x86/{ => lib}/crypto/poly1305_glue.c | 0
crypto/Kconfig | 4 +-
lib/crypto/Kconfig | 56 +++++++-----
74 files changed, 292 insertions(+), 234 deletions(-)
create mode 100644 arch/arm/lib/crypto/.gitignore
create mode 100644 arch/arm/lib/crypto/Kconfig
create mode 100644 arch/arm/lib/crypto/Makefile
rename arch/arm/{ => lib}/crypto/blake2s-core.S (100%)
rename arch/arm/{ => lib}/crypto/blake2s-glue.c (100%)
rename arch/arm/{ => lib}/crypto/chacha-glue.c (100%)
rename arch/arm/{ => lib}/crypto/chacha-neon-core.S (100%)
rename arch/arm/{ => lib}/crypto/chacha-scalar-core.S (100%)
rename arch/arm/{ => lib}/crypto/poly1305-armv4.pl (100%)
rename arch/arm/{ => lib}/crypto/poly1305-glue.c (100%)
create mode 100644 arch/arm64/lib/crypto/.gitignore
create mode 100644 arch/arm64/lib/crypto/Kconfig
create mode 100644 arch/arm64/lib/crypto/Makefile
rename arch/arm64/{ => lib}/crypto/chacha-neon-core.S (100%)
rename arch/arm64/{ => lib}/crypto/chacha-neon-glue.c (100%)
rename arch/arm64/{ => lib}/crypto/poly1305-armv8.pl (100%)
rename arch/arm64/{ => lib}/crypto/poly1305-glue.c (100%)
create mode 100644 arch/mips/lib/crypto/.gitignore
create mode 100644 arch/mips/lib/crypto/Kconfig
create mode 100644 arch/mips/lib/crypto/Makefile
rename arch/mips/{ => lib}/crypto/chacha-core.S (100%)
rename arch/mips/{ => lib}/crypto/chacha-glue.c (100%)
rename arch/mips/{ => lib}/crypto/poly1305-glue.c (100%)
rename arch/mips/{ => lib}/crypto/poly1305-mips.pl (100%)
create mode 100644 arch/powerpc/lib/crypto/Kconfig
create mode 100644 arch/powerpc/lib/crypto/Makefile
rename arch/powerpc/{ => lib}/crypto/chacha-p10-glue.c (100%)
rename arch/powerpc/{ => lib}/crypto/chacha-p10le-8x.S (100%)
rename arch/powerpc/{ => lib}/crypto/poly1305-p10-glue.c (100%)
rename arch/powerpc/{ => lib}/crypto/poly1305-p10le_64.S (100%)
create mode 100644 arch/riscv/lib/crypto/Kconfig
create mode 100644 arch/riscv/lib/crypto/Makefile
rename arch/riscv/{ => lib}/crypto/chacha-riscv64-glue.c (100%)
rename arch/riscv/{ => lib}/crypto/chacha-riscv64-zvkb.S (100%)
create mode 100644 arch/s390/lib/crypto/Kconfig
create mode 100644 arch/s390/lib/crypto/Makefile
rename arch/s390/{ => lib}/crypto/chacha-glue.c (100%)
rename arch/s390/{ => lib}/crypto/chacha-s390.S (100%)
rename arch/s390/{ => lib}/crypto/chacha-s390.h (100%)
create mode 100644 arch/x86/lib/crypto/.gitignore
create mode 100644 arch/x86/lib/crypto/Kconfig
create mode 100644 arch/x86/lib/crypto/Makefile
rename arch/x86/{ => lib}/crypto/blake2s-core.S (100%)
rename arch/x86/{ => lib}/crypto/blake2s-glue.c (100%)
rename arch/x86/{ => lib}/crypto/chacha-avx2-x86_64.S (100%)
rename arch/x86/{ => lib}/crypto/chacha-avx512vl-x86_64.S (100%)
rename arch/x86/{ => lib}/crypto/chacha-ssse3-x86_64.S (100%)
rename arch/x86/{ => lib}/crypto/chacha_glue.c (100%)
rename arch/x86/{ => lib}/crypto/poly1305-x86_64-cryptogams.pl (100%)
rename arch/x86/{ => lib}/crypto/poly1305_glue.c (100%)
base-commit: bb9c648b334be581a791c7669abaa594e4b5ebb7
--
2.49.0
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